"With Donald Trump as the president, it's going to be very hard for Republicans to convince new voters, particularly those who are first, second, or third generation Americans, who are close to the immigrant experience, to come vote for the Republican said," she said.

Ekins added that there was also a divide within the GOP on border security, citing Trump's travel ban on various majority Muslim countries.

"Some people, they have cooler feelings towards immigrants in general. They're not just concerned about illegal immigration, they're worried about legal immigration too. That's kind of the American preservationist," she said, referencing a recent Democracy Fund Voter Study Group she conducted.

"Then there's some other folks, like in the anti-elite group, free marketeer group, that seem to be a little bit more concerned about immigration from a national security perspective. So we did see them supporting the temporary travel ban on Muslims entering the U.S., but they did so tentatively," she said, adding that the "American preservationists" and staunch conservatives strongly supported the measure.

Democratic voters are opposed to some provisions in the bipartisan border deal, though a majority support the overall agreement if it avoids another government shutdown, according to a recent Hill-HarrisX poll.

The number of mass shootings in the U.S. has declined, but the number of casualties involving guns is on the rise, domestic policy adviser Ryan Streeter said in an interview that aired Thursday on "What America's Thinking."

Democratic pollster Carly Cooperman said in an interview that aired Thursday on "What America's Thinking" that most gun owners want there to be gun safety measures for people looking to purchase firearms.